DisclosureLens
FEDERALItem 8.01 · voluntaryMalwareTelecom & MediaInformationRansomwareData EncryptedData ExfiltratedMulti-Stage ChainLowActive

LUMEN TECHNOLOGIES, INC.

bd_638aa98358421f0f · schema v1 · pii pii-v1

Severity

Low

Discovered

Filed

Mar 27, 2023

To disclose

Affected

Not disclosed

Confidence

68%
Full breach record for LUMEN TECHNOLOGIES, INC.

Lumen Technologies disclosed two cybersecurity incidents on March 27, 2023. First, a malicious intruder inserted ransomware into servers supporting a segmented hosting service, degrading operations for a small number of enterprise customers. Second, a sophisticated intruder accessed internal IT systems, conducted reconnaissance, installed malware, and extracted a limited amount of data. The company engaged forensic firms, notified law enforcement and regulators, and implemented business continuity plans. The investigation is ongoing to determine if personally identifiable information was exfiltrated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 27, 2023

Filed

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.